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Journal of Materials Science

, Volume 42, Issue 8, pp 2717–2723 | Cite as

Electrode coatings for high temperature hydrogen electrolysis

  • W. E. Windes
  • C. Smith
  • D. Wendt
  • A. Erickson
  • J. Walraven
  • P. A. Lessing
Article

Abstract

A discussion of fabrication techniques and performance testing of solid oxide components for use in hydrogen steam electrolysis is presented. Novel plasma spray techniques are utilized to deposit the thin ceramic oxide electrode, electrolyte, and interconnect layers on a planar intermetallic bipolar plate. Optimal porosity is achieved within the electrode microstructure through mixed feed techniques that are a combination of dry powder feed and liquid solution injection. The perovskite anode coatings formed from liquid precursor feedstock require post-deposition annealing in an oxygen-rich atmosphere to form the desired perovskite structures. Electrical conductivity measurements were measured for all electrodes and interconnect materials as a function of temperature to 1000 °C.

Keywords

Electrode Layer Zirconia Particle Anode Layer Electrode Coating Nitrate Salt 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was supported in part from funding from the DOE-NE Nuclear Hydrogen Initiative program.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • W. E. Windes
    • 1
  • C. Smith
    • 1
  • D. Wendt
    • 1
  • A. Erickson
    • 1
  • J. Walraven
    • 1
  • P. A. Lessing
    • 1
  1. 1.Idaho National LaboratoryIdaho FallsUSA

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